Description: The Singleton design pattern guarantees that a class has a sole instance and offers a universal entry point to it. Python code: def singleton(cls): instances = {} def get_instance(*args, **kwargs): if cls not in instances: instances[cls] = cls(*args, **kwargs) return ...
Make sure you know Java and C++ to understand the basic syntax as many technical MCQs are based on these languages. If possible, do the daily problems onLeetcodeandGFG. Have a clear idea if you want to pursue masters or sit for placements if your university doesn't allow you to reject ...